For example, piconet is bluetoothenabled personal area network which may contain up to 8 devices connected together in a masterslave fashion. Indeed, for such large instrumentation systems, a local area network is the only viable transmission medium in terms of performance and cost. Jan 07, 2017 computer networks seminar pdf report, ppt. A lan may be configured as 1 a bus, a main channel to which nodes or secondary channels are connected in a branching structure, 2 a ring, in which each computer is. Topics network topology cables and connectors network devices ethernet is by far the most widely implemented form of local area networking. The first local area networks evolved in environments in which the distances to be spanned by the network were within the. Hubs are commonly used toconnect segments of a lan. Local area network lan metropolitan area network man wide area network wan local area network lan local area network is a group of computers. Ran remote area network, other all are the types of.
This local area use of long due to the fact that longhaul packet communication technology has haul network technology, indicated by the shaded area of fig. Wide area network topology wide area network topology candra setiawan csco 104896 wide area network topology wan. A local area network lan is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building. The communication between different users of wan is established using leased telephone lines. By contrast, a wide area network wan not only covers a larger geographic distance, but also generally involves leased telecommunication circuits. Mesh topology here every device has a point to point link to. A network topology map is a map that allows an administrator to see the physical layout of connected devices. In a bus topology, stations are attached to a linear multiport medium where only halfduplex operations exist between a station and a bus. Ppt local area networks powerpoint presentation free to. Metropolitan network or man metropolitan area network. Depending on the geographical scope of equipment to connect, we speak about. Make a professional network topology diagram with powerful and allinone network. Local area network technologies design and implement high.
There is a direct pointtopoint link between two neighboring nodes the next and the previous. All three of these network options are illustrated below. Network topologies can take a bit of time to understand when youre all new to this kind of cool stuff, but its very important to fully understand them as they are key elements to understanding and troubleshooting networks and will help you decide what actions to take when youre faced with network problems. When it has exactly two endpoints, then it is called linear bus topology. Summary protocols are set of rules that the nodes on a network use to communicate with each other carrier sense multiple accesscollision detection csmacd is a network control protocol which uses a carrier sensing system carrier sense multiple accesscollision avoidance csmaca is a set of rules used to avoid collisions. Today, the relationship has been turned around, so that the distance range of local area networks is governed. A common connection point for devices in a network. The physical relationship of your network is described as network topology. Personal area network advantages and disadvantages of pan. Network topologies an introduction to network topologies and the link layer direct point to point communication advantages exclusive connections between computers. A simple network consists of at least two computers, which are connected by a direct connection crossover cable or with a hub or switch. A local area network lan is a group of computers and peripheral devices that share a common communications line or wireless link to a server within a distinct geographic area. The communication between different users of wan is established using leased telephone lines or satellite links and similar channels.
Mesh topology here every device has a point to point link to every other device. Nodes in a lan are linked together with a certain topology. Star in local area networks with a star topology, each network host is connected to a central hub with a pointtopoint connection. A home area networks han is a type of local area network that is used in an individual home. Local area networks lans a local area network is a system of computers that share resources such as disk drives, printers, data, cpu power, faxmodem, applications, etc. A network is a group of computers and other devices connected so they can pass information back and forth. There are many different types of computer networks and some of them are stated below. A computer network spanned inside a building and operated under single administrative system is generally termed as local area network lan.
A network topology describes the layout of the wire and devices as well as the paths used by data transmissions. Wide area network wan when network spans over a large distance or when the computers to be connected to each other are at widely separated locations a local area network cannot be used. Lan local area network man metropolitan area network ran remote area network wan wide area network answer. Local area network lan, any communication network for connecting computers within a building or small group of buildings. Local area network routing description of the laboratory exercise. Network diagram template for powerpoint is a presentation template containing 20 very useful slide designs for system administrators and it professionals who need to create simple but nice network diagrams in powerpoint. Local area networks lan and wide area networks wan.
Network topology is the schematic description of a network arrangement, connecting various nodes sender and receiver through lines of connection. A bus topology is a local area network lan where each of the networked devices are attached to a single cable or link, as shown in figure 3. Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, industrial fieldbusses and computer networks. Network diagram template for powerpoint slidemodel. Mesh network topology mesh network topology is one of the key network architectures in which devices are connected with many redundant interconnections between network nodes such as routers and switches. That is, all of the nodes are connected in a closed loop. Man metropolitan area network is a network over a larger geographical area such as the provincial government.
Jul 10, 20 a local area network lan is a computer network that spans a relatively small area. The name local area network lan implies that the network is relatively small and with in area. Routers are located at gateways, the places where two or more networks connect. Protocol architecture topologies media access control logical link control.
The local area network lan is a network which is designed to operate over a small physical area such as an office, factory or a group of buildings up to a few kilometers in size. Students are required to configure a network topology. Ppt local area network topology powerpoint presentation, free. A network consists of 2 or a lot of computers that are coupled so as to share resources such as cds and printers, exchange files, or enable electronic communications. There are many identified topologies but they are not strict, which means that any of them can be combined. They usually have distributed processing, which means that there are many desktop computers distributed around the network and that there is no central processor machine. Local area networks lan local area network lan is a computer network, which is limited to a small office, single building, multiple buildings inside a campus etc. Network topologies ppt free download faadooengineers. Cisco network topology is the arrangement of the cisco symbols that display scheme of computer network. A logical network topology is a conceptual representation of how devices operate at particular layers of abstraction. Csco 104896 wide area network topology wan network configuration yang dirancang. Star topology network topologies mesh, ring and hybrid. Any cisco equipment on the network are named like node. Local area network lan as the name suggests, a local area network or lan is a computer network created in a single building or a group of buildings in surroundings.
This ppt covers all the computer topology along with its applications. Most lans are confined to a single building or group of buildings, however, one lan can be connected to other lans over any distance via telephone lines and radio waves. Every lan uses a protocol a set of rules that governs how packets are configured and transmitted. Topology diagram is one of the network diagram examples. Network devices and types of network lan, wan, man, isdn. Fddi uses ttrp to control network access between nodes that share the network during network initialization or power up, preassigned node transmits special frame token onto the ring token circulates ring network from one node to the next token. Local area network lan is a network which consists of computers and peripheral devices connected each other and to the local domain server, and covers a little territory or small number of buildings, such as home, school, laboratory, office, etc. Typically, a local area network encompasses computers and peripherals connected to a server among a definite geographic region like a workplace or a billboard.
A free powerpoint ppt presentation displayed as a flash slide show on. For example, if a computer is connected with the printer, scanner, and digital camera within the range of 33 feet then it is known as personal area network. Network topology is the arrangement of the elements links, nodes, etc. Network topology diagrams, free examples, templates, software. Types of network topology in computer networks studytonight.
Network topology is the interconnected pattern of network elements. The geometric arrangement of devices on the network. Local area networks have particular value in the monitoring and control of systems that have a number of separate sensors, actuators, and control units dispersed over a large area. Due to this limited area coverage, it is referred to as local area network. Peertopeer networks versus clientserver in the world of local area networks, there are basically two choices of network control, or net. It is so easy to establish and manage that even you, yourself, can do it. Local area network an overview sciencedirect topics. Devices on the same logical network must have addresses with the same network part. Mengdi ji designing and planning a campus wireless local area. Chapter network types and topologies pearson he uk. A router is connected to at least two networks, commonly two lans or wans or a lanand its isps network internet service provider. Alternatives on the lan framework include cans, mans, and wans. Bus topology is a network type in which every computer and network device is connected to single cable.
This network topology configuration includes computers ip address, gateways address and routers interfaces ip address. In this topology, the network cable passes from one node to another until all nodes are connected in the form of a loop or ring. Ppt network topology powerpoint presentation free to download id. Ppt network topology powerpoint presentation free to. For example, devices can be arranged in a ring or in a straight line. So it can be said that every computer is indirectly connected to every other node with the help of the hub. Ppt local area networks powerpoint presentation free. A networks topology greatly affects its throughput rate, implementation cost, and reliability. Local area network lan lan is one of the simplest types of computer networks in which computers are connected together over the span of small distances. Local area network lan lans can be either wired or wireless.
A lan is a private network that typically is made up of a wellconnected, reliable, and fast network connection. Local area network technologies overview local area network lan is a data communications network connecting terminals, computers and printers within a building or other geographically limited areas. This is yet another structure for local area networks. Han facilitates the communication and interoperability among digital devices at the home, allows to easier access to.
The cisco network diagrams solution uses cisco network symbols and cisco icons to visualize computer networks. Network topology, network diagram, network diagram template, topology diagram, network diagram examples, network template, topology diagrams. Personal area network is used for a personal purpose like for data sharing among devices within the personal area network range of 10 meters or 33 feet. The basic network topologies used today are star, common bus, and ring see figure 183. The computers on a network are also coupled through cables, telephone lines, radio waves, satellites, or. A local area network lan could be a cluster of computers and associated devices that share a standard communications line or wireless link to a server. In a local area network, devices are all connected to the same communication channel.
A physical topology details how devices are physically connected. Lan local area networknetwork with internet entrance and print serverrouter. A free powerpoint ppt presentation displayed as a flash slide show on id. A network is categorized into four types such as local area network lan, metropolitan area network man, wide area networks wan and personal area network pan.
Categories of networks local area network lan wide area network wan metropolitan area network man personal area network pan wans. Topology topology refers to the layout of connected devices on a network. Network diagram templates editable online or download for. A device that forwards data packets along networks. Both of these topics sound complicated, but they are not, as youll see next. Designing and planning a campus wireless local area network commissioned by supervisor reijo vuohelainen abstract with the speedy social and economic development networks have been progressing rapidly. Hence network security provides the remedy by many ways.
Use creately network topolgy diagram creator to draw similar diagrams or simple use network diagram template diagrams provided. The network is a medium that connects multiple computer systems with a common communication link. Types of topology based on geographical area covered based on architecture local area network lan metropolitan area network man. A computer network is a group of computers connected with each other through a transmission medium such as cable, wire etc. Typically, a local area network lan is a private network owned and maintained by a single organization. These devices could be connected through wired cables or wireless links. Network types download pdf output devices download pdf printer.
The entire network shuts down if there is a break in the main wire and it can be difficult to identify the problem if the network shuts down. Now, with the increasing number of network communities, wireless local area networks based on 802. You can download edraw max and get started with its inbuilt examples. Ppt network topologies powerpoint presentation free to. Chapter 8 network topology free download as powerpoint presentation. A network topology may be physical, mapping hardware configuration, or logical, mapping the path that the data must take in order to travel around the network. The home computers can be connected together by twisted pair or by a wireless network. Star hybrid physical topologies logical topologies conclusion references here we are giving you network topology seminar and ppt with pdf. Ieee 802 jtc1 standing committee may 2017 agenda ppt download pdf propagation models for ieee 802.
The topology of a local area network is the geometry of the network, or how individual nodes are connected to it. Applications star topology used in local area networkslans. Now that you have a basic understanding of the osi model and what happens to data packets as they travel through the layers, it is time for you to start looking at basic networking devices. Hence much more advanced security measures would be more helpful. A wan provides long distance transmission of data, voice image and video information over large geographical areas that may comprise a country, a continent or even the whole world. The internet the internet has revolutionized many aspects of our daily lives. There are many different types of lans, with ethernets being the most common for pcs. Topology and network devices authorstream presentation.
Twisted pair, coax or fibre optic cable can be used in wired lans. Network in small geographical area room, building or a campus is called lan local area network network in a city is call man metropolitan area network network spread geographically country or across globe is called wan wide area network introduction to computer networks. A local area network may serve as few as two or three users in a homeoffice or several hundred users in a corporations central office. Lan local area network is a small geographical area such as our school board. Mengdi ji designing and planning a campus wireless local. It ensures that people operating from a workstation or in their home can connect on a variety of different devices by using the internet.
167 854 396 113 784 591 660 35 1492 1030 321 140 554 1239 1049 352 1117 1474 103 208 1491 817 1088 1127 106 196 296 117 171